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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/lib/ICE/iceauth.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/lib/ICE/iceauth.c')
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1 files changed, 278 insertions, 0 deletions
diff --git a/nx-X11/lib/ICE/iceauth.c b/nx-X11/lib/ICE/iceauth.c
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+/* $Xorg: iceauth.c,v 1.4 2001/02/09 02:03:26 xorgcvs Exp $ */
+/******************************************************************************
+
+
+Copyright 1993, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+Author: Ralph Mor, X Consortium
+******************************************************************************/
+/* $XFree86: xc/lib/ICE/iceauth.c,v 3.5 2001/12/14 19:53:36 dawes Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/ICE/ICElib.h>
+#include "ICElibint.h"
+#include <X11/ICE/ICEutil.h>
+
+#include <time.h>
+#define Time_t time_t
+
+static int binaryEqual ();
+
+static int was_called_state;
+
+/*
+ * MIT-MAGIC-COOKIE-1 is a sample authentication method implemented by
+ * the SI. It is not part of standard ICElib.
+ */
+
+
+char *
+IceGenerateMagicCookie (len)
+
+int len;
+
+{
+ char *auth;
+ long ldata[2];
+ int seed;
+ int value;
+ int i;
+
+ if ((auth = (char *) malloc (len + 1)) == NULL)
+ return (NULL);
+
+#ifdef ITIMER_REAL
+ {
+ struct timeval now;
+ X_GETTIMEOFDAY (&now);
+ ldata[0] = now.tv_sec;
+ ldata[1] = now.tv_usec;
+ }
+#else
+ {
+#ifndef __UNIXOS2__
+ long time ();
+#endif
+ ldata[0] = time ((long *) 0);
+ ldata[1] = getpid ();
+ }
+#endif
+ seed = (ldata[0]) + (ldata[1] << 16);
+ srand (seed);
+ for (i = 0; i < len; i++)
+ {
+ value = rand ();
+ auth[i] = value & 0xff;
+ }
+ auth[len] = '\0';
+
+ return (auth);
+}
+
+
+
+IcePoAuthStatus
+_IcePoMagicCookie1Proc (iceConn, authStatePtr, cleanUp, swap,
+ authDataLen, authData, replyDataLenRet, replyDataRet, errorStringRet)
+
+IceConn iceConn;
+IcePointer *authStatePtr;
+Bool cleanUp;
+Bool swap;
+int authDataLen;
+IcePointer authData;
+int *replyDataLenRet;
+IcePointer *replyDataRet;
+char **errorStringRet;
+
+{
+ if (cleanUp)
+ {
+ /*
+ * We didn't allocate any state. We're done.
+ */
+
+ return (IcePoAuthDoneCleanup);
+ }
+
+ *errorStringRet = NULL;
+
+ if (*authStatePtr == NULL)
+ {
+ /*
+ * This is the first time we're being called. Search the
+ * authentication data for the first occurence of
+ * MIT-MAGIC-COOKIE-1 that matches iceConn->connection_string.
+ */
+
+ unsigned short length;
+ char *data;
+
+ _IceGetPoAuthData ("ICE", iceConn->connection_string,
+ "MIT-MAGIC-COOKIE-1", &length, &data);
+
+ if (!data)
+ {
+ char *tempstr =
+ "Could not find correct MIT-MAGIC-COOKIE-1 authentication";
+
+ *errorStringRet = (char *) malloc (strlen (tempstr) + 1);
+ if (*errorStringRet)
+ strcpy (*errorStringRet, tempstr);
+
+ return (IcePoAuthFailed);
+ }
+ else
+ {
+ *authStatePtr = (IcePointer) &was_called_state;
+
+ *replyDataLenRet = length;
+ *replyDataRet = data;
+
+ return (IcePoAuthHaveReply);
+ }
+ }
+ else
+ {
+ /*
+ * We should never get here for MIT-MAGIC-COOKIE-1 since it is
+ * a single pass authentication method.
+ */
+
+ char *tempstr = "MIT-MAGIC-COOKIE-1 authentication internal error";
+
+ *errorStringRet = (char *) malloc (strlen (tempstr) + 1);
+ if (*errorStringRet)
+ strcpy (*errorStringRet, tempstr);
+
+ return (IcePoAuthFailed);
+ }
+}
+
+
+
+IcePaAuthStatus
+_IcePaMagicCookie1Proc (iceConn, authStatePtr, swap,
+ authDataLen, authData, replyDataLenRet, replyDataRet, errorStringRet)
+
+IceConn iceConn;
+IcePointer *authStatePtr;
+Bool swap;
+int authDataLen;
+IcePointer authData;
+int *replyDataLenRet;
+IcePointer *replyDataRet;
+char **errorStringRet;
+
+{
+ *errorStringRet = NULL;
+ *replyDataLenRet = 0;
+ *replyDataRet = NULL;
+
+ if (*authStatePtr == NULL)
+ {
+ /*
+ * This is the first time we're being called. We don't have
+ * any data to pass to the other client.
+ */
+
+ *authStatePtr = (IcePointer) &was_called_state;
+
+ return (IcePaAuthContinue);
+ }
+ else
+ {
+ /*
+ * Search the authentication data for the first occurence of
+ * MIT-MAGIC-COOKIE-1 that matches iceConn->connection_string.
+ */
+
+ unsigned short length;
+ char *data;
+
+ _IceGetPaAuthData ("ICE", iceConn->connection_string,
+ "MIT-MAGIC-COOKIE-1", &length, &data);
+
+ if (data)
+ {
+ IcePaAuthStatus stat;
+
+ if (authDataLen == length &&
+ binaryEqual ((char *) authData, data, authDataLen))
+ {
+ stat = IcePaAuthAccepted;
+ }
+ else
+ {
+ char *tempstr = "MIT-MAGIC-COOKIE-1 authentication rejected";
+
+ *errorStringRet = (char *) malloc (strlen (tempstr) + 1);
+ if (*errorStringRet)
+ strcpy (*errorStringRet, tempstr);
+
+ stat = IcePaAuthRejected;
+ }
+
+ free (data);
+ return (stat);
+ }
+ else
+ {
+ /*
+ * We should never get here because in the ConnectionReply
+ * we should have passed all the valid methods. So we should
+ * always find a valid entry.
+ */
+
+ char *tempstr =
+ "MIT-MAGIC-COOKIE-1 authentication internal error";
+
+ *errorStringRet = (char *) malloc (strlen (tempstr) + 1);
+ if (*errorStringRet)
+ strcpy (*errorStringRet, tempstr);
+
+ return (IcePaAuthFailed);
+ }
+ }
+}
+
+
+
+/*
+ * local routines
+ */
+
+static int
+binaryEqual (a, b, len)
+
+register char *a, *b;
+register unsigned len;
+
+{
+ while (len--)
+ if (*a++ != *b++)
+ return 0;
+ return 1;
+}